Multiple Choice
Consider the unbalanced chemical equation: C_2H_5OH + O_2 → CO_2 + H_2O. What is the total number of oxygen atoms present on the left-hand side of this equation?
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3. Chemical Reactions
Balancing Chemical Equations
Back3. Chemical Reactions
Balancing Chemical Equations
- Multiple ChoiceConsider the balanced equation below:2 Fe + 3 Cl_2 → 2 FeCl_3What is the mole ratio of Cl_2 to Fe?19views
- Multiple ChoiceWhich of the following best describes the reaction: 2 H_2S(g) + 3 O_2(g) → 2 H_2O(g) + 2 SO_2(g)?25views
- Multiple ChoiceWhich condition must be met in order for a chemical equation to be considered balanced?36views
- Multiple ChoiceWhy must chemical equations be balanced?18views
- Multiple ChoiceWhen balancing the following chemical equation, are the charges balanced? Fe^{2+} + MnO_4^- ightarrow Fe^{3+} + Mn^{2+}22views
- Multiple ChoiceWhat is the final step in the scientific method?271views
- Multiple ChoiceWhich of the following is the correctly balanced chemical equation for the reaction between NaBr and H3PO4 to form Na3PO4 and HBr?28views
- Multiple ChoiceWhich of the following statements correctly describes the balanced chemical equation 2H_2 + O_2 → 2H_2O?25views
- Multiple ChoiceWhich of the following is the correctly balanced chemical equation for the reaction between hydrogen sulfide and oxygen among volcanic gases to produce sulfur dioxide and water?26views
- Multiple ChoiceWhich of the following is the correctly balanced form of the chemical equation: Fe + O2 → Fe2O3?30views
- Multiple ChoiceWhat coefficients would balance the following chemical equation? Fe + O_2 → Fe_2O_327views
- Multiple ChoiceWhat is the correct coefficient for O_2(g) when balancing the following chemical equation? 2C_4H_{10}(g) + O_2(g) → 8CO_2(g) + 10H_2O(g)32views
- Multiple ChoiceIn a balanced chemical equation, where are the coefficients placed?34views
- Multiple ChoiceWhich of the following represents the correct products of the reaction: AgNO3 (aq) + KCl (aq) → ?25views